__lasx_xvsub_h
LASX intrinsic · group: Integer Computation
Synopsis
__m256i __lasx_xvsub_h (__m256i a, __m256i b)
#include <lasxintrin.h>
Instruction: xvsub.h xr, xr, xr
CPU Flags: LASX
Description
Subtract corresponding 16-bit elements in b from elements in a, save the result in dst.
Operation
for (int i = 0; i < 16; i++) {
dst.half[i] = a.half[i] - b.half[i];
}
Tested on real machine.
Latency and Throughput
| CPU | µarch | Latency | Throughput (IPC) |
|---|---|---|---|
| 3C5000 | LA464 | 1 | 2 |
| 3A6000 | LA664 | 1 | 4 |
| 3C6000 | LA664 | 1 | 4 |